NASA - National Aeronautics and Space Administration (NASA): Recent submissions

Now showing items 2841-2860 of 3613

    • NACA-TN-3649 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A systematic investigation was made in the Langley stability tunnel to determine the effects of the various components and combinations of components on the static longitudinal and lateral stability characteristics at low ...

    • NASA-TM-4061 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1988
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This selected bibliography lists 423 entries on the subject of wall interference during testing in wind tunnels. It is the third in a series of bibliographies on the subject. The first, NASA TM-87639, August 1986, is ...
      Subject(s) : ADAPTIVE CONTROL , INTERFERENCE , LIFT AUGMENTATION , V/STOL AIRCRAFT , WALL FLOW , WIND TUNNEL TESTS , WIND TUNNEL WALLS ,

    • NASA-LLIS-6456 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This lesson learned provides a summary of ground operations lessons learned for the Space Shuttle Atmospheric Revitalization and Pressure Control System compiled in June 2011. Lessons learned topics covered include: composite ...

    • NASA-LLIS-0541 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On MIDAS, an ion pump was purchased to be the maintaining pump on a chamber before all vapor and leak loads within the chamber were calculated (or measured). This resulted ...
      Subject(s) : Hardware , Pressure Vessels ,

    • NASA-LLIS-1352 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      In early February 2003, JPL and NASDA reported gaps in Level 0 data products received from the Wallops and Alaska ADEOS-II Data Processing Systems. Gaps in the SeaWinds ...
      Subject(s) : Ground Equipment , Ground Operations , Information Technology/Systems , Test & Verification ,

    • NACA-TN-2924 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Fatigue data for 76s-T61 aluminum alloy are presented for several combinations of bending and torsion with both alternating and mean stresses. Special fatigue equipment for these tests is described. Correction for yielding ...

    • NASA-CR-2473 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1975
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An engineering prediction method for determining the longitudinal aerodynamic characteristics of wing-body-tail combinations is developed. The method includes the effects of nonlinear aerodynamics of components and the ...
      Subject(s) : AERODYNAMIC , AERONAUTICAL , ANALYSIS , BODIES , BODY , CHARACTERISTICS , CONFIGURATIONS , DRAG , EDGES , ENGINEERING , LEADING , LIFTING , LONGITUDINAL , PREDICTION , STABILITY , SUCTION , TAIL , TECHNIQUES , VORTICITY , WING ,

    • NASA-LLIS-3339 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      As originally designed, the Shuttle Orbiter's fuel cells did not adequately monitor the health and status of individual cells. Even though the fuel cells were previously modified to add the ...
      Subject(s) : Crew operations and support concepts , DDT/E , Engineering design and project processes and standards , Ground processing and manifesting , Ground support systems , Launch support systems , Launch Systems , Logistics and maintenance , Long term sustainability and maintenance planning , Orbiting Vehicles , Risk Management/Assessment , Vehicle concepts ,

    • NASA-LLIS-1116 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Safety Implications of Extravehicular Activity (EVA) Training in the Russian Hydrolab
      Subject(s) : Aerospace Safety Advisory Panel , Extra-Vehicular Activity , Flight Equipment , Ground Equipment , Medical , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Training Equipment ,

    • NASA-LLIS-0741 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      An employee severed the tip of his finger while unloading a metal desk from a truck. One of the desk's sheet metal leg covers had slid down the leg's support beam and ...
      Subject(s) : Environment , Facilities , Ground Equipment , Ground Operations , Human Factors , Logistics , Occupational Health , Personal Protective Equipment ,

    • NASA-LLIS-1844 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      This report documents lessons learned as a result of investigating failures of Engine Cutoff (ECO) sensors during launching of STS-122. Several overriding themes were identified from interviews ...
      Subject(s) : Additional Categories.Cryogenic Systems , Additional Categories.Launch Vehicle ,

    • NACA-TR-628 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: airfoils tested in the variable-density tunnel have been reduced to a comparable form and are published in this report for convenient reference. Plots of the standard characteristics are given in tabular form. Included is ...

    • NACA-MR-A4L28 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was made to determine the effects of slot shape and flap location on the characteristics of an NACA 66,2-2!6 (a = 0.6) airfoil equipped with a 0.25-chord slotted flap to provide a basis for the study of ...

    • NASA-TN-D-2412 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1964
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Longitudinal aerodynamic characteristics of large- scale semispan v/stol tilt-wing configuration
      Subject(s) : AERODYNAMIC , AERODYNAMICS , AIRCRAFT , ATTITUDE , CHARACTERISTICS , FLAPPING , INCLINATION , PROPELLERS , ROTATION , STOL , TILT , WING , WINGS ,

    • NASA NPR 8820.2 REV F 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      The purpose of this NASA Procedural Requirements (NPR) is to provide the minimum requirements for the planning and acquisition of NASA facility projects.1
      Applicability ...

    • NACA-TN-3228 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation of the aerodynamic characteristics of a four-blade rigid model propeller has been conducted in the Langley full-scale tunnel for angles of attack from 0° to 180°, blade angles from 0° to ...

    • NASA NPR 8900.1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      a. This document provides the procedural requirements and processes for the NASA Health and Medical Program for Human Space Exploration (NPD 8900.5).
      b. NASA shall fulfill all requirements ...

    • NASA-CR-159200 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1979
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An analytical model was developed to predict the noise levels inside propeller-driven aircraft during cruise at M = 0.8. The model was applied to three study aircraft with fuselages of different size (wide body, narrow ...
      Subject(s) : AIRCRAFT COMPARTMENTS , AIRCRAFT DESIGN , ALUMINUM , COMPOSITE MATERIALS , CYLINDRICAL SHELLS , NOISE PREDICTION (AIRCRAFT) , NOISE REDUCTION , PREDICTION ANALYSIS TECHNIQUES , TRANSMISSION LOSS , WEIGHT (MASS) ,

    • NASA-LLIS-0478 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The transmit antenna on the Advanced Communications Technology Satellite (ACTS) has the capability to traverse in both elevation (north-south) and azimuth (east-west) ...
      Subject(s) : Flight Equipment , Hardware , Parts Materials & Processes ,

    • NASA-LLIS-0292 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During burn-in testing of an orbiter General Purpose (Flight) Computer (GPC) in the JSC avionics engineering laboratory, a "fail to synchronize" error was detected. This ...
      Subject(s) : Test & Verification , Test Article ,